u/Dangerous-Reach-8120

I've almost got my new y1 setup exactly as I want, I've installed rockbox, picked a theme I like, and uploaded my music. Only, some files I've uploaded aren't automatically sorting by artist and album, which is odd since that info is displayed correctly when I actually play the songs. i.e. the correct album cover, and artist will show up when I'm shuffle playing any song, but when I go into files by artist, none are listed.

Any chance this could be because many of my files are in OPUS?